Home / 28,136.34-38,833.34-18,077.35

Finding the Fourth Proportional to 28,136.34, 38,833.34 and 18,077.35

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Solution

The fourth proportional to 28,136.34, 38,833.34 and 18,077.35 is: 24,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.34 : 38,833.34 = 18,077.35 : x
  2. Step 2: Convert to fraction form
    28,136.34/38,833.34 = 18,077.35/x
  3. Step 3: Cross multiply
    28,136.34x = 38,833.34 × 18,077.35
  4. Step 4: Simplify right side
    28,136.34x = 702,003,878.85
  5. Step 5: Solve for x
    x = 702,003,878.85/28,136.34
  6. Step 6: Final answer
    x = 24,950.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.